If this option is selected, applications will not have their menu bar attached to their own window anymore. Instead, there is one menu bar at the top of the screen which shows the menus of the currently active application. You might recognize this behavior from Mac OS.
चुनें कि किन फ़ाइल क़िस्म के लिए आप छवि पूर्वावलोकन सक्षम करना चाहते हैं.